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Materials for circuit boards and other interconnecting structures - Part 3-6: Sectional specification set for unreinforced base materials clad and unclad - Polytetrafluoroethylene (PTFE) filled laminate sheets of defined flammability (vertical burning test), copper-clad. Original standard BS EN IEC 61249-3-6-2026 in PDF full version. Additional info + preview on request
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Low-voltage surge protective devices - Surge isolation transformers (SITs) connected to low-voltage distribution system. Requirements and test methods. Original standard BS EN IEC 61643-361-2026 in PDF full version. Additional info + preview on request
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Plugs, socket-outlets, vehicle connectors and vehicle inlets. Conductive charging of electric vehicles - Dimensional compatibility requirements for DC and AC/DC pin and contact-tube vehicle couplers. Original standard BS EN IEC 62196-3-2026 in PDF full version. Additional info + preview on request
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Determination of certain substances in electrotechnical products - Screening. Lead, mercury, cadmium, total chromium, total bromine, total phosphorus, total chlorine, total tin and total antimony content by X-ray fluorescence spectrometry. Original standard BS EN IEC 62321-3-1-2026 in PDF full version. Additional info + preview on request
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Fatigue assessment of hydraulic turbine runners: from design to quality assurance. Original standard BS EN IEC 63230-2026 in PDF full version. Additional info + preview on request
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Power line communication for DC shutdown equipment. Communication signal, physical layer. Original standard BS EN IEC 63257-2026 in PDF full version. Additional info + preview on request
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